<template>
    <div class="container">
        <!-- 幻灯片 -->
        <el-carousel
        :interval="2000"
        arrow="always">
            <el-carousel-item
            v-for="(item, index) in banners"
            :key="index">
                <div class="banner-image"
                :style="`
                background:url(${$axios.defaults.baseURL+ item.url}) center center no-repeat;
                background-size:contain contain;
                `">
                </div>
            </el-carousel-item>
        </el-carousel>




       <!-- <template>
          <el-carousel :interval="2000" type="card" height="200px">
            <el-carousel-item v-for="(item, index) in banners" :key="index">
              <h3 class="medium">
                <img :src="$axios.defaults.baseURL+item.url"></img>
              </h3>
            </el-carousel-item>
          </el-carousel>
        </template> -->





          <!-- 搜索框 -->
        <div class="banner-content">
            <div class="search-bar">

                <!-- tab栏 -->
                <el-row
                type="flex"
                class="search-tab">
                    <span
                    v-for="(item, index) in options"
                    :key="index"
                     @click="dianji(index)"
                    :class="{active: current === index}"
                   >
                        <i>{{item.name}}</i>
                    </span>
                </el-row>

                <!-- 输入框 -->
                <el-row
                type="flex"
                align="middle"
                class="search-input">
                    <input 
                    :placeholder="options[current].placeholder"
                    
                    >
                    <i class="el-icon-search"></i>
                </el-row>
            </div>
        </div>
    </div>
</template>

<script>
export default {
    data(){
        return {
            // 轮播图数据
            banners: [],
             options: [      // 搜索框tab选项
                {
                  name: "攻略",
                 	placeholder: "请输入城市搜索旅游攻略",
                 	
                },
                {
                    name: "酒店",
                    placeholder: "请输入城市搜索本地优惠酒店",
                   
                },
                {
                    name: "机票",
                    // placeholder: "请输入出发地",
                   
                }
            ],
        
            current: 0,   // 当前选中的选项
        }
    },
    mounted(){
      this.$axios({
        url:'/scenics/banners'
      }).then(res=>{
        const {data} =res.data
        console.log( data);
        this.banners = data

      })
    },
     methods: {
        dianji(index){
            if(index===2){
                this.$router.push('/air');
                return
            }
            this.current =index
        }
    },
}
</script>

<style scoped lang="less">
.container{
    min-width:1000px;
    margin:0 auto;
    position:relative;

    /deep/ .el-carousel__container{
        height:700px;
    }

    .banner-image{
        width:100%;
        height:100%;
    }

    .banner-content{
        z-index:9;
        width:1000px;
        position:absolute;
        left:50%;
        top:45%;
        margin-left: -500px;
        border-top:1px transparent solid;

        .search-bar{
            width:552px;
            margin:0 auto;
        }

        .search-tab{
            .active{
                i{
                color:#333;
                }
                &::after{
                background: #eee;
                }
            }

            span{
                width:82px;
                height:36px;
                display:block;
                position: relative;
                margin-right:8px;
                cursor: pointer;

                i{
                position:absolute;
                z-index:2;
                display: block;
                width:100%;
                height:100%;
                line-height:30px;
                text-align:center;
                color:#fff;
                }

                &:after{
                position: absolute;
                left:0;
                top:0;
                display:block;
                content: "";
                width:100%;
                height:100%;
                border: 1px rgba(255,255,255,.2) solid;
                border-bottom: none;
                transform: scale(1.1,1.3) perspective(.7em) rotateX(2.2deg);
                transform-origin: bottom left;
                background: rgba(0,0,0,.5);
                border-radius:1px 2px 0 0;
                box-sizing:border-box;
                }
            }
        }

        .search-input{
            width:550px;
            height:46px;
            background:#fff;
            border-radius: 0 4px 4px 4px;
            border: 1px rgba(255,255,255,.2) solid;
            border-top:none;
            box-sizing: unset;

            input{
                flex:1;
                height:20px;
                padding: 13px 15px;
                outline: none;
                border:0;
                font-size:16px;
            }

            .el-icon-search{
                cursor :pointer;
                font-size:22px;
                padding:0 10px;
                font-weight:bold;
            }
        }
    }
}



 .el-carousel__item h3 {
    color: #475669;
    font-size: 14px;
    opacity: 0.75;
    line-height: 200px;
    margin: 0;
  }

  // .el-carousel__item:nth-child(2n) {
  //   background-color: #99a9bf;
  // }

  // .el-carousel__item:nth-child(2n+1) {
  //   background-color: #d3dce6;
  // }
</style>
